Filters








23,228 Hits in 5.4 sec

An overview of recent end-to-end wireless medical video telemedicine systems using 3G

A. Panayides, M.S. Pattichis, C. S. Pattichis, C. N. Schizas, A. Spanias, E. Kyriacou
2010 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology  
This study focuses in describing the basic components of an end-to-end wireless medical video telemedicine system, providing a brief overview of the recent advances in the field, while it also highlights  ...  Advances in video compression, network technologies, and computer technologies have contributed to the rapid growth of mobile health (m-health) systems and services.  ...  Chu et al. [17] 04 Real-Time M-JPEG Trauma video Real time trauma video transmission.  ... 
doi:10.1109/iembs.2010.5628076 pmid:21097209 fatcat:kshnpkkm55ba7apwkpz7ygas3u

Multiuser cross-layer resource allocation for video transmission over wireless networks

Guan-Ming Su, Zhu Man, Min Wu, K.J. Ray Liu
2006 IEEE Network  
With the advancement of video-compression technology and the wide deployment of wireless networks, there is an increasing demand for wireless video communication services, and many design challenges remain  ...  We study how to efficiently transmit multiple video streams, encoded by current and future video codecs, over resource-limited wireless networks such as 3G/4G cellular system and future wireless local/  ...  For the source coding part, we adopt MPEG-4 FGS to facilitate rate adaptation.  ... 
doi:10.1109/mnet.2006.1607892 fatcat:bv3jsnktqvcylp3nib2d4mcz6y

A Review on an Access Point-Based FEC Mechanism for Video Transmission over Wireless LANs
english

Ravneet Singh, R achna Rajput
2015 International Journal of Innovative Research in Computer and Communication Engineering  
CONCLUSION AND FUTURE WORK This paper has presented an AP-based FEC mechanism for improving the quality of video transmissions over WLANs.  ...  Video transmission over the wireless network faces many challenges. The most critical challenge is related to packet loss.  ...  Adaptive FEC (AFEC): An adaptive FEC (AFEC) protocol for facilitating the end-to-end transport of real-time traffic whose timing constraints rule out the use of retransmission-based congestion control  ... 
doi:10.15680/ijircce.2015.0305012 fatcat:34uuzrmrobdnxoygdav6my5xsy

Fuzzy Logic Controller for Wireless Video Transmission

Rajesh
2011 Journal of Computer Science  
Approach: In this paper we proposed an intelligent fuzzy logic controller for transmission of Moving Picture Expert Group (MPEG-4) video signals over wireless channel.  ...  In wireless channel, due to noise and interference of other signals transmission rate cannot be predicted.  ...  MPEG-4 VBR video source have high bit rate and needs more bandwidth for transmission in wireless network (Chabaa and Zeroual, 2009) .  ... 
doi:10.3844/jcssp.2011.1119.1127 fatcat:vwide4jfc5avjjrmcjyqy5uhq4

A Survey on Cross-Layer Design Frameworks for Multimedia Applications over Wireless Networks [article]

Jaydip Sen, Shomik Bhattacharya
2010 arXiv   pre-print
Particularly the issues like channel estimation techniques, adaptive controls at the application and link layers for energy efficiency, priority based scheduling, transmission rate control at the transport  ...  , namely real-time multimedia applications.  ...  for scalable video streaming over wireless Internet [19] Figure 8 : 8 The system architecture for source rate control and congestion control [7] Snoop TCP: Snoop TCP provides a reliable TCP-aware  ... 
arXiv:1012.2518v1 fatcat:yyuje2bn3zafjgrcwn6jmn7n7u

Advances in Efficient Resource Allocation for Packet-Based Real-Time Video Transmission

A.K. Katsaggelos, Y. Eisenberg, F. Zhai, R. Berry, T.N. Pappas
2005 Proceedings of the IEEE  
In this paper, we highlight recent advances in optimal resource allocation for real-time video communications over unreliable and resource constrained communication channels.  ...  For example, resources can take the form of transmission energy in a wireless channel, and transmission cost in a DiffServ-based Internet channel.  ...  Luna for valuable discussions related to this paper.  ... 
doi:10.1109/jproc.2004.839621 fatcat:tllax6muwffktmrb2hebooygrq

Cross-Layer Protocols for Multimedia Communications over Wireless Networks [article]

Jaydip Sen
2012 arXiv   pre-print
Particularly, the issues like channel estimation techniques, adaptive controls at the application and link layers for energy efficiency, priority based scheduling, transmission rate control at the transport  ...  , namely real-time multimedia applications.  ...  The system architecture for source rate control and congestion control JOINT SOURCE RATE CONTROL AND CONGESTION CONTROL Congestion control for streaming media at the transport layer and source rate control  ... 
arXiv:1110.0147v2 fatcat:mhnqcuowkveozi4zede5pyeu5a

An Access Point-Based FEC Mechanism for Video Transmission over Wireless LANs
English

Ravneet Singh, Rachna Rajput
2015 International Journal of Innovative Research in Computer and Communication Engineering  
Video transmission over the wireless network faces many challenges. The most critical challenge is related to packet loss.  ...  In the current work An Enhanced Random Early Detection Forward Error Correction (ERED-FEC) mechanism is implemented to improve the quality of video transmissions over Wireless Local Area Networks (WLANs  ...  Tail drop is one such mechanism to control congestion [4] . It drops the packets at the tail of the queue during buffer overflow. It is not suitable for real-time data transmission.  ... 
doi:10.15680/ijircce.2015.0306025 fatcat:seyiv53m7baajc5ddkge6lfzcq

Protocol Design for Adaptive Video Transmission over MANET [chapter]

Jeeyoung Seo, Eunhee Cho, Sang-Jo Yoo
2006 Lecture Notes in Computer Science  
in that each layer is independent and hard to control adaptively video transmission according to the network conditions.  ...  And a video source can determine an adequate video coding rate to achieve high PSNR and loss packet loss ratio.  ...  With help of physical and network layer in CVTP a video source adaptively decides its video coding rate for reducing packet losses and at the same time achieving maximum video quality. .  ... 
doi:10.1007/11802167_25 fatcat:i42zetzjtzefvdeezt6ygq7cmm

Receiver-Driven Adaptive Enhancement Layer Switching Algorithm for Scalable Video Transmission Over Link-adaptive Networks

Jian Yang, Quan Zheng, Hongsheng Xi, Lajos Hanzo
2013 IEEE Signal Processing Letters  
A receiver-driven adaptive layer switching algorithm is proposed for adapting the video bitrate to match the achievable network throughput.  ...  It relies on a QoS-constrained equivalent bandwidth estimator employed at the receiver, which is used for triggering the adjustment of video layers at the video source.  ...  However, this is a basic scheme conceived for packet-transmission rate control, not for video streaming.  ... 
doi:10.1109/lsp.2012.2227473 fatcat:uwea2mwjcvfvjec45qhuotud7e

Content adaptive network aware joint optimization of wireless video transmission

Maria Martini, Matteo Mazzotti, Catherine Lamy-Bergot, Jyrki Huusko, Peter Amon
2007 IEEE Communications Magazine  
A content adaptive, network aware approach for joint optimization of wireless video transmission is presented in this article.  ...  After a description of the considered crosslayer approach and of the information to be exchanged among the system component blocks, the concept of "JSCC/D controllers" is introduced.  ...  Gianmarco Panza (CEFRIEL) for his contribution in Table 1 , and Ph.D. student Cyril Bergeron (THALES Communications) for his help in running the H.264/AVC simulations.  ... 
doi:10.1109/mcom.2007.284542 fatcat:nfrroqaih5hljgsfym4exmdhna

Dynamic Rate and FEC Adaptation for Video Multicast in Multi-rate Wireless Networks

Özgü Alay, Thanasis Korakis, Yao Wang, Shivendra Panwar
2009 Journal on spesial topics in mobile networks and applications  
In this paper, we propose a novel method which dynamically adapts the transmission rate and FEC for video multicast over multi-rate wireless networks.  ...  Video multicast over Wireless Local Area Networks (WLANs) faces many challenges due to varying channel conditions and limited bandwidth.  ...  a new paradigm for real time multicast transmission over wireless networks.  ... 
doi:10.1007/s11036-009-0202-5 fatcat:jth5gjbcu5gm5o6jz2vhewksya

Adaptive Video Transmission over Wireless MIMO System [chapter]

Jia-Chyi Wu, Chi-Min Li, Kuo-Hsean Che
2010 Digital Video  
Adaptive video coding to the varying channel conditions in real-time is well matched to MIMO systems for an optimized video transmission.  ...  For wireless fading channels, the feedback information needed to be able to capture the time varying channel characteristics for a true adaptive transmission.  ... 
doi:10.5772/8024 fatcat:uv2uwdixafdmph7xww3z65zxom

Video Transmission Over Lossy Wireless Networks: A Cross-Layer Perspective

Scott Pudlewski, Nan Cen, Zhangyu Guan, Tommaso Melodia
2015 IEEE Journal on Selected Topics in Signal Processing  
As mobile data rates continue to increase and more people rely on 802.11 wireless for home and commercial internet access, the amount of video transmitted over at least one wireless hop will likely continue  ...  The goal of this work is to begin discussing the way forward for wireless video-enabled applications and devices.  ...  The core idea of priority-guaranteed access policy for real-time video steaming is to use a novel distributed time slot structure that includes a control segment and transmission segment.  ... 
doi:10.1109/jstsp.2014.2342202 fatcat:6jlxckvucjhcdegqtvzhckuo2y

Analytically evaluating the impact of wireless channel behavior on an energy-efficient rate-controlled video transmission system

Alfio Lombardo, Carla Panarello, Giovanni Schcmbra
2013 2013 Sustainable Internet and ICT for Sustainability (SustainIT)  
Extending a previous work, in this paper we propose a cross-layer approach for the energyefficient transmission of multiplexed rate-controlled multimedia streams over wireless channels.  ...  The challenging goal for the scientific community in the next future is to provide energyefficiency for telecommunications networks.  ...  Adaptive Video Sources we are considering are any video sources that, according to a given feedback, can modify their encoding rate run time in order to change their emission rate [13] , [14] , [15]  ... 
doi:10.1109/sustainit.2013.6685211 dblp:conf/ifip6-3/LombardoPS13 fatcat:zyykvngfqng6tkokk6i5y3wkty
« Previous Showing results 1 — 15 out of 23,228 results